Component({
  data: {
    x: 100
  },


  relations: {
    './child': {
      type: 'child',
      linked(target) {
        console.log(target.data.y)
      }
    },
    './grandson': {
      type: 'descendant',
      linked(target) {
        console.log(target.data.z)
      }
    }
  }
})
